noun
1.
Synonyms: stress 1, pressure, strain
Related Word: tautness, tenseness, tightness
Idioms: stress and strain
Antonyms: relaxation
2.
emotional strain
was suffering from nervous tension
Synonyms: unease, uptightness
Related Word: strain, stress; anxiety, nerves, nervousness, uneasiness; agitation, discomfort, disquiet, misease